I need an adaptor for a three-pin plug.

我需要一个三脚插头的转接头。

youdao

USB 5 pin plug and at the other end is a standard USB plug.

在一端是微型的USB 5针插头，在另一端是一个标准的USB插头。

youdao

Will link directly into the screw plastic pin plug twist the hole, pin plug stress, and wall body firmly with inflation.

将螺钉连结工件直接拧入塑料销塞的孔内，销塞受力膨胀，与墙体牢固结合。

youdao

Oh, what pleasure to plug in my three-pin British plug the other evening in Inner Mongolia, so very far from home.

BBC: A universal plug socket... at last?

Ibiden's pin-grid packages plug into circuit boards via dozens of tiny prongs.

FORBES: It's all in the packaging

The cape plug-in boards can be plugged into BeagleBone's two 46-pin dual-row expansion headers, providing similar headers so that up to four cape plug-in boards can be stacked at a time.

ENGADGET: BeagleBone gets plenty of expansion options with new 'cape' add-ons